PLEASE HELP! :]
Answer by BrittanyM(80)   (Show Source): You can put this solution on YOUR website!
I couldn't help but be drawn to your question! :)

For problem a, we need to assess the definition of a derivative. That is, the slope of a function at any given point. So, in a standard function, the slope at the turning points will be zero, thus, we have a zero for the representation of this point on our differentiated gragh.

And as for b, let's graph the original function:



Where the derivative is zero, the graph is not at a turning point.

If you need any further clarification, or just have anymore math problems, feel free to e-mail me directly at brittany@flatearthfilms.net.


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